#4241B2#4241B2

#4241B2 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.8% C 0.174 H 277.1°. Best body text is #FFFFFF at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#4241B2
RGB	rgb(66, 65, 178)
HSL	hsl(241, 47%, 48%)
HSV	hsv(241, 63%, 70%)
CMYK	cmyk(62.9%, 63.5%, 0%, 30.2%)
CIE-LAB	lab(34.30, 35.21, -60.06)
CIE-LCH	lch(34.30, 69.62, 300.38°)
OKLab	oklab(44.81% 0.0216 -0.173)
OKLCH	oklch(44.81% 0.174 277.1)
XYZ	xyz(12.1703, 8.1522, 43.0430)
Luminance	0.0815 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4241B2 #B1B241

analogous

#4178B2 #4241B2 #7A41B2

triadic

#4241B2 #B24241 #41B242

tetradic

#4241B2 #B24178 #B1B241 #41B27A

square

#4241B2 #B24178 #B1B241 #41B27A

split-complementary

#4241B2 #B27A41 #78B241

monochromatic

#212058 #313185 #4241B2 #6968C8 #9695D8

Accessibility & contrast

On white

7.98

#4241B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#4241B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4241B2

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4241B2	#FFFFFF	#000000	##FFFFFF
##4241B2	1.00	7.98	2.63	7.98
#FFFFFF	7.98	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B6

Deuteranopia (green-blind)

#004CB0

Tritanopia (blue-blind)

#005D73

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #4241b2;
/* rgb */ color: rgb(66, 65, 178);
/* oklch */ color: oklch(44.8% 0.174 277.1);

Tailwind

colors: {
  custom: {
    50: '#8376ca',
    500: '#4241b2',
    950: '#000000',
  },
}

SCSS

$custom: #4241b2;
$custom-light: #8376ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4241b2",
  "rgb": {
    "r": 66,
    "g": 65,
    "b": 178
  },
  "hsl": {
    "h": 240.531,
    "s": 46.502,
    "l": 47.647
  },
  "oklch": {
    "l": 0.44807,
    "c": 0.17434,
    "h": 277.1
  },
  "luminance": 0.08153
}

Semantic roles & 50–950 ramp

primary

#4241B2

secondary

#C3C48B

accent

#D652D5

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #4241B2

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →